/*
 * Copyright (C) 2011-2014 GUIGUI Simon, fyhertz@gmail.com
 *
 * This file is part of libstreaming (https://github.com/fyhertz/libstreaming)
 *
 * Spydroid is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this source code; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package net.majorkernelpanic.screening.mp4;

import android.util.Base64;
import android.util.Log;

import java.io.FileNotFoundException;
import java.io.IOException;

/**
 * Finds SPS & PPS parameters in mp4 file.
 */
public class MP4Config {

  public final static String TAG = "MP4Config";

  private MP4Parser mp4Parser;
  private String mProfilLevel, mPPS, mSPS;

  public MP4Config(String profil, String sps, String pps) {
    mProfilLevel = profil;
    mPPS = pps;
    mSPS = sps;
  }

  public MP4Config(String sps, String pps) {
    mPPS = pps;
    mSPS = sps;
    mProfilLevel = MP4Parser.toHexString(Base64.decode(sps, Base64.NO_WRAP),1,3);
  }

  public MP4Config(byte[] sps, byte[] pps) {
    mPPS = Base64.encodeToString(pps, 0, pps.length, Base64.NO_WRAP);
    mSPS = Base64.encodeToString(sps, 0, sps.length, Base64.NO_WRAP);
    mProfilLevel = MP4Parser.toHexString(sps,1,3);
  }

  /**
   * Finds SPS & PPS parameters inside a .mp4.
   * @param path Path to the file to analyze
   * @throws IOException
   * @throws FileNotFoundException
   */
  public MP4Config (String path) throws IOException, FileNotFoundException {

    StsdBox stsdBox;

    // We open the mp4 file and parse it
    try {
      mp4Parser = MP4Parser.parse(path);
    } catch (IOException ignore) {
      // Maybe enough of the file has been parsed and we can get the stsd box
    }

    // We find the stsdBox
    stsdBox = mp4Parser.getStsdBox();
    mPPS = stsdBox.getB64PPS();
    mSPS = stsdBox.getB64SPS();
    mProfilLevel = stsdBox.getProfileLevel();

    mp4Parser.close();

  }

  public String getProfileLevel() {
    return mProfilLevel;
  }

  public String getB64PPS() {
    Log.d(TAG, "PPS: "+mPPS);
    return mPPS;
  }

  public String getB64SPS() {
    Log.d(TAG, "SPS: "+mSPS);
    return mSPS;
  }
}
